MESON Chess Problem Database

Problem Display
PID: 134519 (8/1pp4K/1p3p1R/3kp1N1/4N3/B4P2/2bP4/n1R2BQ1 w - - 0 1)

Driver, John Edward

The Field, 1965

(First published on Thu Jun 24 1965)

8/1pp4K/1p3p1R/3kp1N1/4N3/B4P2/2bP4/n1R2BQ1

#2

10 + 8

SOLUTION

  • SOUND
  • Sets
    • 1...Bd1
      • 2.Sxf6#
    • 1...Bb3
      • 2.Sxf6#
    • 1...Ba4
      • 2.Sxf6#
    • 1...Bxe4+
      • 2.fxe4#
    • 1...b5
      • 2.Qc5#
    • 1...f5
      • 2.Sc3#
  • Keys
    • 1.Qg4!
      • threat
        • 2.Qd7#
      • 1...Bxe4+
        • 2.Qxe4#
      • 1...Kd4
        • 2.Qd7#
      • 1...Kc6
        • 2.Qe6#
      • 1...Ba4
        • 2.Sxf6#
      • 1...f5
        • 2.Sc3#

FEATURES

  • Static
    • TYPE = THREAT
    • CHANGED MATES = 1
    • ADDED MATES = 2
    • REMOVED MATES = 3
  • Sets
    • B(b);N_PINS(G)::S(G),XP(f)
    • B(b);CHECK,OGATE,XS(G)::P(F),XB(b)
    • P(e);N_GUARD::QAR1(C)
    • P(f);N_PINS(G)::S(G)
  • Actual
    • Q(C);
    • Threat
      • QAR2(C)
    • Vars
      • B(b);CHECK,OGATE,XS(G)::QAB1(C),XB(b)
      • K(c);P-FLIGHT::QAR(C)
      • K(c);P_SPINB(b),P_SPINP(f),S_FLIGHT::QAR2(C)
      • B(b);N_PINS(G)::S(G),XP(f)
      • P(f);N_PINS(G)::S(G)
HTML5 logo

Developed and maintained by Brian Stephenson.
Implemented with HTML5, MySQL, Perl (with, inter alia, CGI::Simple, HTML::Template & XML::LibXML) & CSS/Javascript (jQuery, Bootstrap & DataTables).